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NFL changes rules including 'horse collar tackles' for 2016 - Movie TV Tech Geeks News
Football Horse Collar Penalty
Horse Collar Tackle – Rochester Chapter of Certified Football Officials
Cowboys tackle Tyron Smith fined $15,750 for horse-collar tackle - Sports Illustrated
NFL horse collar rules, explained
Football Horse Collar Penalty
Horse Collar | NFL Football Operations
VikeFans on Twitter: "Sure, this horse collar looks bad, but in the 1980s, this was just good clean fun for the Vikings and Joey Browner. Injuries or not, we don't love the
NFL approves expansion of horse-collar rule - ProFootballTalk
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Horse-collar tackle - Wikipedia
Horse collar exception for quarterbacks in pocket remains - ProFootballTalk